Earlier quoted context omitted.
There is no "controversial" in this kind of case. Either it's legal, or it's not. There is no "kinda legal but maybe not". While the inputs are not binary, the output definitely is. So either Google has to decide that, or they have to let others hash it out. Youtube doesn't prevent you from, for example, all banding together and suing Lionsgate in a class action. You could also try personal suits for tortuous interfe…
I'm not talking about things that are "kinda legal", I'm talking about situations where: Guy uploads item that is clear to anyone with a brain is fair use. Studio X files DMCA to Google. Google automatically disables the video Guy fights to reinstate the video, gets approval, video is re approved. (So far this is what happens now, according to this guy's account) But at the point where the video is re approved Google…
Sadly, even in that case, the future DMCA's are just as valid, and Google would likely be just as liable, even if they are doing it abusively.
Again, the abuse is something to get a judge to look at, not Google.
Without a declaratory judgement of non-infringement in hand, there is actually nothing to say it's non-infringing, all you've done is get someone to drop a DMCA claim.